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          课后作业
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        September 25, 2020
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        作业4
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        名词解释：
 ASCII：ASCII ((American Standard Code for Information Interchange): 美国信息交换标准代码）是基于拉丁字母的一套电脑编码系统，主要用于显示现代英语和其他西欧语言。 Color：颜色是通过眼、脑和我们的生活经验所产生的一种对光的视觉效应。    &lsquo;A&rsquo;的 ASCII码 = \u0041、Unicode码 = &amp;#65、 utf-8编码 = 65；
  &lsquo;中&rsquo;的 ASCII码 = \u4e2d、Unicode码 = &amp;#x4E2D、 utf-8编码 = 20013；
  黄色(yellow)的RGB编码是(255,255,0)
  PNG质量最好
  Winrar压缩文件是lossless
  
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        September 24, 2020
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        作业3
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      x = 1000011 y = 11111001 z = 10110110 x = 11010011 x = 11010011 x = 1111111 y = 11111001 z = -134(10) z溢出 x = 1.001 x = 10111 x = 0.011100 出现精度误差    名词解释：
 Method of complements：In the field of mathematics and computation,the complement method is a technique of adding a positive numberinstead of subtracting a negative number. This technique was used in mechanical calculators, but it is still used in electronic computers.
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        September 20, 2020
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        作业2
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        进制转换：
 1分12秒 = （72，000）毫秒 （7A）13 = （101）10 （7A）16 = （122）10 （7A）16 = （1111010）2 = （172）8 （1011011）2 = （133）8 = （5b）16 （678）10 = （1010100110）2 = （1246）8 （111）2 + （101）2 = （1100）2    名称解释：
 Information：信息，指音讯、消息、通讯系统传输和处理的对象，泛指人类社会传播的一切内容。 Positional notation：位值制记数法(positional notation)亦称位值记数法，是常用的一种记数法，按照位值制建立的记数法，称为位值记数法，十进制记数法、二进制记数法和八进制记数法等，都是位值记数法，而罗马记数法则不属于位值记数法。 Algorithm：算法（algorithm），在数学（算学）和计算机科学之中，为任何良定义的具体计算步骤的一个序列，常用于计算、数据处理和自动推理。 Software bug：软件缺陷（Defect），常常又被叫做Bug。所谓软件缺陷，即为计算机软件或程序中存在的某种破坏正常运行能力的问题、错误，或者隐藏的功能缺陷。    翻译：
 十进制：Decimal system 二进制：Binary system 八进制：Octal number system 十六进制：Hexadecimal    
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